-56.04% is the change from 621 to 273
Calculation steps:
[( 273 - 621 ) ÷ 621] x 100 = -56.04%
Formula
Percentage change = [(273 - 621) / 621] x 100
Subtract the new number by the original number
273 - 621 = -348
-348 ÷ 621 = -0.5603864734299517
-0.5603864734299517 x 100 = -56.04%